{"uid":"cap_oylnzcmQj43929QFF7FCo","slug":"punkpredictor-fair-price-plus-345e3853","name":"PunkPredictor Fair Price Plus","description":"Punk fair value plus distribution, uncertainty, and intervals","url":"https://api.punkpredictor.xyz/agents/v2/fair-price-plus?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"id_punk":{"type":"integer","maximum":9999,"minimum":0}}},"responseSchema":{"type":"json","example":{"id_punk":5822,"intervals":{"80":{"lower":24.4,"upper":33.1}},"fair_price_eth":28.74,"uncertainty_score":0.22}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"10","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$10/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"10","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"10","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_31VSqFkMvfuAsHSFh2VkW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"10","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a CryptoPunk's fair value in ETH along with uncertainty score and confidence intervals for a given punk ID","exampleAgentPrompt":"What's the fair value of CryptoPunk #5822, and can you give me the 80% confidence price interval and uncertainty score so I know how reliable that estimate is?","exampleUseCases":[{"title":"Pre-purchase valuation due diligence","prompt":"Before I make an offer on CryptoPunk #1087, can you tell me its fair value in ETH, the uncertainty around that estimate, and the 80% confidence price range so I don't overpay?"},{"title":"Seller listing price decision","prompt":"I own CryptoPunk #7804 and want to list it — what does PunkPredictor say its fair value is, and how tight are the price confidence intervals right now?"},{"title":"Arbitrage opportunity screening","prompt":"I spotted CryptoPunk #312 listed for 18 ETH — what's PunkPredictor's fair price estimate and uncertainty score for it so I can tell if that's a good deal?"}],"resultDescription":"A JSON object containing the punk's ID, its fair price in ETH (fair_price_eth), an uncertainty_score between 0 and 1 indicating model confidence, and an intervals object with lower and upper bound prices in ETH at one or more confidence levels (e.g. 80% interval).","failureModes":["Invalid punk ID (outside 0–9999 range) returns a validation error","Payment of $10 USDC not completed results in a 402 Payment Required response","Network or upstream model timeout may return a 503","Missing or malformed request body returns a 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you need not just a point estimate but also a full distributional picture of a CryptoPunk's value — including uncertainty score and confidence intervals — rather than a bare fair-value figure. It is ideal for risk-aware buying, selling decisions, or arbitrage screening where knowing the reliability of the estimate matters as much as the estimate itself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:39:29.211Z","isFirstParty":false,"canonicalSlug":"punkpredictor-fair-price-plus-345e3853"}